| Company name | Reg. code |
|---|---|
| SOLAR PRO 1 UÜ | 14947482 |
| SOLAR PRO 3 UÜ | 14947499 |
| SOLAR PRO 6 UÜ | 14947619 |
| SOLAR PRO 9 UÜ | 14947571 |
| SOLAR PRO 2 UÜ | 14947463 |
| SOLAR PRO 4 UÜ | 14947565 |
| SOLAR PRO 8 UÜ | 14947602 |
| SOLAR PRO 5 UÜ | 14947648 |
| SOLAR PRO 7 UÜ | 14947476 |
| SOLAR PRO 11 UÜ | 14947654 |
| SOLAR PRO 12 UÜ | 14947631 |
| SOLAR PRO 14 UÜ | 14947625 |
| SOLAR PRO 10 UÜ | 14947542 |
| SOLAR PRO 13 UÜ | 14947536 |
| SOLAR PRO 15 UÜ | 14947507 |
| TWIN PROJECT OÜ (former name Twin project UÜ) | 16397886 |